The past four years have been the hottest on record, and we are seeing the effects
(CNN) -- Another day, another alarming report about how climate change is not a future problem but rather one that is having severe effects all over the planet now. This time, the report comes from the World Meteorological Organization, an intergovernmental organization of 191 national meteorological services, such as the US National Weather Service, the UK Met Office and the Australian Bureau of Meteorology.